Acephali n. pl. : A fabulous people reported by ancient writers to have heads.

Acephali n. pl. : A Christian sect without a leader.

Acephali n. pl. : Bishops and certain clergymen not under regular diocesan control.

Acephali n. pl. : A class of levelers in the time of K. Henry I.

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Taxonomy
Acephali, free encyclopedia, sects, King Henry, search, free dictionary, the Greek language, kephale, 5th century, rule, bishop, clerici vagantes, clergy, benefice, reign, lands, virtue, acknowledge.

Defination from the web:
Acephali (from the Greek language a-, "without," and kephale, "head") is a term applied to several sects as having no head or leader.[1] ... in England during the reign of King Henry I of England were called Acephali because they had no lands by virtue of which they could acknowledge a ...